constrain(x, a, b)
Description
Constrains a number to be within a range.
Parameters
x
: the number to constrain, all data types
a
: the lower end of the range, all data types
b
: the upper end of the range, all data types
Returns
x
: if x
is between a
and b
a
: if x
is less than a
b
: if x
is greater than b
Example
sensVal = constrain(sensVal, 10, 150); // limits range of sensor values to between 10 and 150
See also
The text of the 86Duino reference is a modification of the Arduino reference, and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.